123023011011102 has 64 divisors (see below), whose sum is σ = 276862872960000. Its totient is φ = 40485976637184.

The previous prime is 123023011011097. The next prime is 123023011011107. The reversal of 123023011011102 is 201110110320321.

123023011011102 is a `hidden beast` number, since 1 + 230 + 230 + 1 + 101 + 1 + 102 = 666.

It is an interprime number because it is at equal distance from previous prime (123023011011097) and next prime (123023011011107).

It is a super-2 number, since 2×123023011011102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023011011107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65837233 + ... + 67680035.

It is an arithmetic number, because the mean of its divisors is an integer number (4325982390000).

Almost surely, 2^{123023011011102} is an apocalyptic number.

123023011011102 is an abundant number, since it is smaller than the sum of its proper divisors (153839861948898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123023011011102 is a wasteful number, since it uses less digits than its factorization.

123023011011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858542 (or 1858536 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 123023011011102 its reverse (201110110320321), we get a palindrome (324133121331423).

The spelling of 123023011011102 in words is "one hundred twenty-three trillion, twenty-three billion, eleven million, eleven thousand, one hundred two".